Question 2 Most of the current organizations are relying on IT services to proce

Question

Question 2
Most of the current organizations are relying on IT services to process their daily
operational and business processes. However, on the other hand, some of these
organizations do not fully enjoy the benefit of these IT services as intended.

To a great extend, this is dependent on the availability of the services uninterrupted. The degree of
availability defer from company to company. The degree of availability is normally
higher and commonly found among MNC companies. Based on a particular MNC
company provide your answer for the followings:

Question
b) Elaborate the multilevel protection of OS security which is applicable to overcome
situation described in (a).
[16 Marks]

Explanation / Answer

multilevel protection of OS security

Nowadays very large companies have become dependent on their IT infrastructure to provide services to the customers like e-commerce companies such as Amazon.

MultiLevel Security on the OS is one such method to ensure the consistency of services offered. This includes:

>It ensures the secure flow of data to assigned nodes and no leakage of any other kind of data is allowed

> Protecting the top secret and classified data from normal users

> Various user groups are made and depending upon the access level each group of users are assigned permission levels from the OS of the server hosting the files

for example in case of a web server putting non-read nor write mode in the directory for end users will lead to unavailability of data for end users even when the file is actually there.

> Multilevel protection enables the organization to curb any unwanted activity in it before it can leak sensitive data to the outside of the network

> It is like the Tor Network where the IP address has been masked several times and even if someone traces back, he will end up getting nothing

TO OVERCOME THE ABOVE MENTIONED PROBLEM:

for daily operational and business processes to function normally :

> The main directory to be accessed should be cloned to more than one location and a backup route must be set up in case of an excess load on one server

> Suitable permission must be set up on the directories and IP filtering can be used to do so.

> We can also deploy some cron jobs to schedule the alternate routes when the traffic exceeds a given threshold.

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